Ceiling panel unit



FIG. 1 is a top perspective view of a ceiling panel unit showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof, the remaining sides having the same appearance;

FIG. 6 is a sectional elevational view thereof taken along the line 6--6 of FIG. 3; and

FIG. 7 is an enlarged fragmentary bottom plan view of one substantially rectangular cell area thereof. 

The ornamental design for a ceiling panel unit, as shown and described. 